问题
选择题
As you can see, the number of students using mobile phones _____ these days. [ ]
A. is rising
B. is being raised
C. have risen
D. have been raised
答案
答案：A
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As you can see, the number of students using mobile phones _____ these days. [ ]
A. is rising
B. is being raised
C. have risen
D. have been raised
答案：A